Diagnostics Help - Wilo -Stratos GIGA2.0-I Einbau- Und Betriebsanleitung

18.2

Diagnostics help

Installation and operating instructions • Wilo-Stratos GIGA2.0-I, Wilo-Stratos GIGA2.0-D • Ed.02/2022-07
Faults Causes
Air in the suction line.
Pump runs at reduced
performance.
Cavitation due to insufficient
suction pressure.
Pump makes noises.
Motor has bearing damage.
Pump makes noises.
Table 54: Mechanical faults
In order to support fault analysis, the pump provides additional help apart from fault noti-
fications:
Diagnostics help is used for diagnosis and maintenance of electronics and interfaces. Apart
from hydraulic and electrical overviews, information about interfaces, device information
and manufacturer's contact data are provided.
In the "Diagnostics and measured values" menu
1. "Diagnostics help".
Selection options:
Diagnostics help Description
Overview of hydraulic Overview of current hydraulic
data operating data.
Overview of electrical Overview of current electrical
data operating data.
Overview of analogue in- Overview of settings
put (AI1)
e.g. type of use
differential pressure sensor,
signal type 2 ... 10 V
Overview of analogue in- e.g. type of use
put (AI2) differential pressure sensor,
signal type 4 ... 20 mA for con-
trol mode index circuit evalu-
ator Δp-c
Overview of analogue in- e.g. type of use
put (AI3) temperature sensor,
signal type PT1000 for control
mode ΔT-const.
Remedy
Eliminate leakage at flanges.
Vent pump. In case of visible
leakage, replace the mechanical
seal.
Increase the suction pressure.
Observe the minimum inlet pres-
sure at the suction port. Check
slide valve and filter on the suc-
tion side and clean if need be.
Have the pump checked by Wilo
customer service or a specialised
service centre and repaired if ne-
cessary.
, select
Display
• Actual delivery head
• Actual volume flow
• Actual speed
• Actual fluid temperature
• Active restriction
Example: max. pump charac-
teristic curve
• Mains voltage
• Power consumption
• Consumed energy
• Active restriction
Example: max. pump charac-
teristic curve
• Operational hours
• Type of use
• Signal type
• Function
1)
• Type of use
• Signal type
• Function
1)
• Type of use
• Signal type
• Function
1)
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